E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) E21B 43/30 (2006.01)
Patent
CA 2718044
The present invention relates to a process for the production of mineral oil from mineral oil deposits with large temperature gradients, in which, for increasing the mineral oil yield, highly permeable regions of the mineral oil formation are blocked by injecting formulations which, after being forced into the deposit, form highly viscous gels under the influence of the deposit temperature. A plurality of portions of the formulation which in each case can form gels at different temperatures and therefore result in very complete blocking of highly permeable regions of the formation are used.
Altunina Liubov
Kuvshinov Vladimir A.
Kuznetsov Dmitry
Riha Volker
Siemer Konrad
Institute Of Petroleum Chemistry Of The Siberian Branch Of The R
Robic
Wintershall Holding Gmbh
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